page {
    height: 100%;
    background-color: #fdfdfd;
}

::-webkit-scrollbar {
    display: none;
}

/* flex布局 */
.u-f,
.u-f-jc,
.u-f-ac,
.u-f-ajc {
    display: flex;
}

.u-f-ac,
.u-f-ajc {
    align-items: center;
    
}

.u-f-jc,
.u-f-ajc{
    justify-content: center;
}

.u-f-jsb {
    justify-content: space-between;
}

.u-f1 {
    flex: 1;
}

.u-column {
    flex-direction: column;
}
